{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 37,
   "id": "6b99c561",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[[0. 0. 0. 0.]\n",
      " [0. 0. 0. 0.]\n",
      " [0. 0. 0. 0.]]\n",
      "2\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "\n",
    "n = np.zeros((3,4))\n",
    "print(n)\n",
    "print(n.ndim)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "722a160e",
   "metadata": {},
   "outputs": [],
   "source": [
    "import cv2 as cv\n",
    "import numpy as np\n",
    "\n",
    "a = np.zeros((200,100),np.uint8)\n",
    "# print(a)\n",
    "cv.imshow(\"a\",a)\n",
    "cv.waitKey(0)\n",
    "cv.destroyAllWindows()\n"
   ]
  }
 ],
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   "name": "python3"
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    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
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   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.8.5"
  },
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 },
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 "nbformat_minor": 5
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